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Reintroduce Python2 support in generate_opcode_h.py

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Issue #28821.

Add also a message to show that the command did something :-)
This commit is contained in:
Victor Stinner 2016-11-28 18:13:52 +01:00
parent 50c13f216e
commit 213cc388c7
1 changed files with 9 additions and 3 deletions
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12
Tools/scripts/generate_opcode_h.py
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@ -1,6 +1,8 @@
# This script generates the opcode.h header file.
import sys
import tokenize
header = """/* Auto-generated by Tools/scripts/generate_opcode_h.py */
#ifndef Py_OPCODE_H
#define Py_OPCODE_H
@ -32,12 +34,14 @@ enum cmp_op {PyCmp_LT=Py_LT, PyCmp_LE=Py_LE, PyCmp_EQ=Py_EQ, PyCmp_NE=Py_NE,
#endif /* !Py_OPCODE_H */
"""
import tokenize
def main(opcode_py, outfile='Include/opcode.h'):
opcode = {}
with tokenize.open(opcode_py) as fp:
if hasattr(tokenize, 'open'):
fp = tokenize.open(opcode_py) # Python 3.2+
else:
fp = open(opcode_py) # Python 2.7
with fp:
code = fp.read()
exec(code, opcode)
opmap = opcode['opmap']
@ -51,6 +55,8 @@ def main(opcode_py, outfile='Include/opcode.h'):
('HAVE_ARGUMENT', opcode['HAVE_ARGUMENT']))
fobj.write(footer)
print("%s regenerated from %s" % (outfile, opcode_py))
if __name__ == '__main__':
main(sys.argv[1], sys.argv[2])